Versailles was a French city in which the Palace of Versailles was located. Madame de Pompadour lived at Versailles from 1745 until her death in 1764. She was visited by the Tenth Doctor on several occasions. (TV: The Girl in the Fireplace)
Iris Wildthyme and Panda once had an adventure in Versailles which involved horse-riding, jumping through mirrors, and "doing battle with clockwork fops". (PROSE: From Wildthyme with Love)
In 1919, a conference was held at Versailles for the signing of the peace treaty after World War I. George Limb attended the conference. (PROSE: Illegal Alien)